lxc-fedora: protect possibly unset variable with quotes for -z check

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

diff --git a/templates/lxc-fedora.in b/templates/lxc-fedora.in
index f758364bd012f4028f06d0fbe710b57da92e514c..6cdff515d4578a6f06a7bcabe7331ed74f0b2133 100644 (file)
--- a/templates/lxc-fedora.in
+++ b/templates/lxc-fedora.in
@@ -1405,7 +1405,7 @@ then
     configure_fedora_init
 fi
 
-if [ ! -z $clean ]; then
+if [ ! -z "$clean" ]; then
     clean || exit 1
     exit 0
 fi